Vulnerability Details : CVE-2019-8846

A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 13.3, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.

Vulnerability category: Memory Corruption

Published 2020-10-27 21:15:13

Updated 2021-05-18 13:20:12

Source Apple Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-8846

Probability of exploitation activity in the next 30 days: 0.43%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-8846

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
9.3	HIGH	AV:N/AC:M/Au:N/C:C/I:C/A:C	8.6	10.0	nvd@nist.gov
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-8846

CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-8846

https://support.apple.com/en-us/HT210795

About the security content of iCloud for Windows 7.16 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT210792

About the security content of Safari 13.0.4 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT210794

About the security content of iCloud for Windows 10.9 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT210793

About the security content of iTunes 12.10.3 for Windows - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT210790

About the security content of tvOS 13.3 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT210785

About the security content of iOS 13.3 and iPadOS 13.3 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url

Products affected by CVE-2019-8846

Redhat » Enterprise Linux Desktop » Version: 7.0
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux Server » Version: 7.0
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux Workstation » Version: 7.0
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Matching versions
Apple » Safari
Versions before (<) 13.0.4
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
Matching versions
Apple » Itunes » For Windows
Versions before (<) 12.10.3
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
Matching versions
Apple » Iphone Os
Versions before (<) 13.3
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Matching versions
Apple » Icloud » For Windows
Versions from including (>=) 10.0 and before (<) 10.9
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
Matching versions
Apple » Icloud » For Windows
Versions before (<) 7.16
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
Matching versions
Apple » Tvos
Versions before (<) 13.3
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Matching versions
Apple » Ipados
Versions before (<) 13.3
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Matching versions